CN115161738A - Cyanide-free electroplating device for zinc alloy die castings - Google Patents

Abstract

The invention relates to an electroplating device, in particular to a cyanide-free electroplating device for a zinc alloy die casting. The invention provides a time-saving and labor-saving cyanide-free electroplating device for a zinc alloy die casting. The utility model provides a zinc alloy die casting cyanide-free electroplating device, including bottom connection bucket, the blowing bucket, the discharge gate, connect the flitch, the putty board, press depression bar and first spring etc, barrel top intermediate junction has the blowing bucket is connected to the bottom, the discharge gate has all been opened to both sides around the blowing bucket bottom, both sides all are connected with around the barrel upper portion is connected to the bottom and connect the flitch, barrel top left side sliding type is connected with the depression bar in the bottom connection, be connected with the putty board that is used for plugging up two discharge gates according to the depression bar bottom, be connected with first spring between the bottom left side in the barrel is connected according to depression bar lower part and bottom, first spring housing is on the depression bar. The invention saves time and labor, drives the stirring frame to rotate through the servo motor, and stirs the chemical electroplating solution by the stirring frame, so that the zinc alloy die casting can be comprehensively electroplated, and the electroplating of the zinc alloy die casting is accelerated.

Description

Cyanide-free electroplating device for zinc alloy die castings

Technical Field

The invention relates to an electroplating device, in particular to a cyanide-free electroplating device for a zinc alloy die casting.

Background

Electroplating is a type of surface treatment process used for zinc alloy die castings in the die casting production process, and the zinc alloy die castings are generally subjected to surface treatment because the processed die casting products are more attractive and wear-resistant. The zinc alloy die casting electroplating processing technology comprises two types, namely water electroplating and vacuum plating, wherein the water electroplating technology is suitable for zinc alloy die castings and mainly comprises the step of putting a product to be electroplated into chemical electroplating liquid for electroplating. The traditional cyanide-free electroplating process for the zinc alloy die castings is slow in electroplating process, people are required to intermittently stir chemical electroplating liquid in the electroplating process, so that the zinc alloy die castings can be comprehensively electroplated, and time and labor are wasted.

How to design a zinc alloy die casting cyanide-free electroplating device of labour saving and time saving is the technical problem that this patent need solve.

Disclosure of Invention

In order to overcome the defects that the prior art needs people to intermittently stir chemical plating solution to ensure that the zinc alloy die casting can achieve comprehensive electroplating, and the electroplating process is time-consuming and labor-consuming, the invention has the technical problems that: provides a time-saving and labor-saving cyanide-free electroplating device for zinc alloy die castings.

The technical scheme is as follows: the utility model provides a zinc alloy die casting cyanide-free electroplating device, including bottom connection bucket, the blowing bucket, the discharge gate, connect the flitch, the putty board, press the depression bar, a spring, acceleration mechanism and pushing equipment, bottom connection bucket top intermediate junction has the blowing bucket, the discharge gate has all been opened to both sides around the blowing bucket bottom, both sides all are connected with and connect the flitch around the bottom connection bucket upper portion, bottom connection bucket top left side slidingtype is connected with presses the depression bar, be connected with the putty board that is used for plugging up two discharge gates according to the depression bar bottom, be connected with a spring between the bottom left side in the depression bar lower part and the bottom connection bucket, a spring housing is on pressing the depression bar, be equipped with the acceleration mechanism who is used for stirring the chemical plating solution between bottom connection bucket and the blowing bucket, blowing bucket bottom is connected with the pushing equipment who is used for zinc alloy die casting automatic discharging.

Furthermore, it is particularly preferred that the accelerating mechanism is including first carriage, servo motor, the second spring, the fixed plate, cover plate and stirring frame, barrel head right side sliding connection is connected to the bottom, servo motor is installed on first carriage upper portion, be connected with two second springs between the bottom right side in the bucket is connected to first carriage lower part and bottom, blowing bucket upper portion evenly is connected with four fixed plates, servo motor output shaft upper portion rotary type is connected with the cover plate that is used for closed blowing bucket, cover plate and four fixed plate joint, servo motor output shaft sub-unit connection has the stirring frame that is used for stirring the chemical plating liquid.

In addition, particularly preferably, the pushing mechanism comprises a sliding rod, a filter disc, a third spring and a first driving plate, the sliding rod is connected to the middle of the bottom in the discharging barrel in a sliding mode, the top of the sliding rod is connected with the filter disc used for ejecting zinc alloy die castings, the bottom of the sliding rod is connected with the first driving plate, the first sliding frame moves upwards to be in contact with the first driving plate, the third spring is connected between the left side of the top of the first driving plate and the bottom of the discharging barrel, and the third spring is sleeved on the sliding rod.

In addition, especially preferred, still including the roll wiper mechanism that is used for cleaning the zinc alloy die casting, the roll wiper mechanism is including the second carriage, the connecting plate, sponge cylinder and fourth spring, and even slidingtype is connected with three second carriage on the stirring frame, and second carriage bottom all is connected with the connecting plate, and equal rotary type is connected with the sponge cylinder that is used for cleaning the zinc alloy die casting on the connecting plate, is connected with two fourth springs on the second carriage upper portion all and between the stirring frame, and the fourth spring housing is on the second carriage.

In addition, especially preferred, still include the laborsaving mechanism that is used for first carriage automatic rising, laborsaving mechanism is including first lagging, the second drive board, the biax motor, the gyro wheel frame, the connection pad, the stay cord, expanding spring and button, bottom connection bucket bottom left side is connected with first lagging, first lagging upper portion slidingly is connected with the second drive board, the second drive board is connected bucket left side slidingly with the bottom and is connected, bottom connection bucket bottom left side installs the biax motor, the biax motor top is provided with two buttons, the button all passes through electric connection with the biax motor, the second drives the board and removes the back and contact with the button, the equal rotary type in the left and right sides of the inside upside of bottom connection bucket is connected with the gyro wheel frame, all be connected with the connection pad on the output shaft of biax motor front and back both sides, the connection pad all is connected with the stay cord that is used for pulling first carriage between the lower part, the gyro wheel frame is walked around to the stay cord, be connected with two expanding spring between second drive board and the first lagging upper portion, expanding spring cover is on the second drive board.

In addition, especially preferred is, still including the stabilizing mean who is used for stabilizing first carriage, stabilizing mean is including driving the frame, the supporting shoe, locking piece and fifth spring, the bottom is connected the bucket in the right side wall upside and is connected with the supporting shoe, it is used for carrying out spacing locking piece to first carriage to drive the sliding connection on the frame, the locking piece top is connected with and drives the frame, it drives the board contact with the second to drive the frame left side, be connected with two fifth springs between locking piece and the supporting shoe, fifth spring housing is on the supporting shoe.

Further, it is particularly preferable that the left portion of the lock member is disposed obliquely.

In addition, it is especially preferred that the chemical plating solution stirring device further comprises a stirring cleaning mechanism for stirring the chemical plating solution, wherein the stirring cleaning mechanism comprises a convex block, a second sleeve plate, a stirring frame and a sixth spring, the bottom of the cover plate is uniformly connected with the convex block, the middle part of the stirring frame is connected with the second sleeve plate, the second sleeve plate is connected with the stirring frame for stirring the chemical plating solution in a sliding manner, the stirring frame rotates to contact with the convex block, two sixth springs are connected between the upper part of the stirring frame and the second sleeve plate, and the sixth springs are sleeved on the stirring frame.

The invention has the advantages that:

1. the invention saves time and labor, drives the stirring frame to rotate through the servo motor, and the stirring frame stirs the chemical electroplating solution to ensure that the zinc alloy die casting achieves comprehensive electroplating, thereby accelerating the electroplating of the zinc alloy die casting;

2. according to the invention, the sponge roller rotates to wipe the zinc alloy die casting, so that the surface of the zinc alloy die casting is cleaned, and the influence of impurities adsorbed by the zinc alloy die casting on electroplating is prevented;

3. according to the invention, the connecting disc is driven by the double-shaft motor to rotate to retract the pull rope, and the first sliding frame is driven by the pull rope to move upwards, so that people do not need to manually move the first sliding frame upwards, and the trouble of manual operation is reduced;

4. the first sliding frame is limited through the locking piece, so that the first sliding frame is prevented from automatically moving downwards to reset;

5. according to the invention, the stirring frame rotates to be repeatedly contacted and separated with the bump, so that the stirring frame repeatedly moves up and down to stir the chemical electroplating solution, and the electroplating of the zinc alloy die casting is further accelerated.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic cross-sectional three-dimensional structure of the present invention.

Fig. 3 is a schematic perspective view of an acceleration mechanism of the present invention.

Fig. 4 is a schematic perspective view of the pushing mechanism of the present invention.

Fig. 5 is a schematic perspective view of a first rolling cleaning mechanism according to the present invention.

Fig. 6 is a schematic perspective view of a second rolling cleaning mechanism according to the present invention.

Fig. 7 is a schematic perspective view of the labor-saving mechanism of the present invention.

Fig. 8 is a schematic perspective view of the stabilizing mechanism of the present invention.

FIG. 9 is a schematic diagram of a first alternate construction of the agitation cleaning mechanism of the present invention.

FIG. 10 is a schematic diagram of a second alternate construction of the agitation cleaning mechanism of the present invention.

In the figure: 1. the bottom connecting barrel, 2, the emptying barrel, 21, the discharge port, 3, the material receiving plate, 4, the material blocking plate, 5, the pressing rod, 6, the first spring, 7, the accelerating mechanism, 71, the first sliding frame, 72, the servo motor, 73, the second spring, 74, the fixing plate, 75, the covering plate, 76, the stirring frame, 8, the material pushing mechanism, 81, the sliding rod, 82, the filter disc, 83, the third spring, 84, the first driving plate, 9, the rolling cleaning mechanism, 91, the second sliding frame, 92, the connecting plate, 93, the sponge roller, 94, the fourth spring, 10, the labor-saving mechanism, 101, the first sleeve plate, 102, the second driving plate, 103, the double-shaft motor, 104, the roller frame, 105, the connecting disc, 106, the pull rope, 107, the telescopic spring, 108, the button, 11, the stabilizing mechanism, 1102, the driving frame, 1101, the supporting block, 1103, the locking piece, 1104, the fifth spring, 12, the stirring cleaning mechanism, 1201, the bump, 1202, the second sleeve plate, 1203, 1204, sixth spring frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

A cyanide-free electroplating device for zinc alloy die castings is disclosed, and referring to FIGS. 1-4, the cyanide-free electroplating device comprises a bottom connecting barrel 1, a discharging barrel 2, a material receiving plate 3, a material blocking plate 4, a pressing rod 5, a first spring 6, an accelerating mechanism 7 and a material pushing mechanism 8, wherein the discharging barrel 2 is connected to the middle of the top of the bottom connecting barrel 1, the front side and the rear side of the bottom of the discharging barrel 2 are respectively provided with a discharging port 21, the front side and the rear side of the upper portion of the bottom connecting barrel 1 are respectively connected with the material receiving plate 3, the left side of the top of the bottom connecting barrel 1 is connected with the pressing rod 5 in a sliding manner, the bottom of the pressing rod 5 is connected with the material blocking plate 4, the material blocking plate 4 is used for blocking the two discharging ports 21, the first spring 6 is connected between the lower portion of the pressing rod 5 and the left side of the bottom connecting barrel 1, the first spring 6 is sleeved on the pressing rod 5, the accelerating mechanism 7 is arranged between the bottom connecting barrel 1 and the discharging barrel 2, the accelerating mechanism 7 is used for stirring chemical electroplating solution, the bottom of the discharging barrel 2 is connected with the material pushing mechanism 8, and the material pushing mechanism 8 is used for automatically discharging the zinc alloy die castings.

Referring to fig. 3, the accelerating mechanism 7 includes a first sliding frame 71, a servo motor 72, second springs 73, fixing plates 74, covering plates 75 and a stirring frame 76, the bottom is connected with the first sliding frame 71 in a sliding manner on the right side of the top of the barrel 1, the servo motor 72 is installed on the upper portion of the first sliding frame 71, two second springs 73 are connected between the lower portion of the first sliding frame 71 and the bottom in the barrel 1, four fixing plates 74 are evenly connected to the upper portion of the discharging barrel 2, the covering plates 75 are rotatably connected to the upper portion of an output shaft of the servo motor 72, the covering plates 75 are used for closing the discharging barrel 2, the covering plates 75 are clamped with the four fixing plates 74, the stirring frame 76 is connected to the lower portion of the output shaft of the servo motor 72, and the stirring frame 76 is used for stirring the chemical plating solution.

Referring to fig. 4, the pushing mechanism 8 comprises a sliding rod 81, a filter disc 82, a third spring 83 and a first driving plate 84, the sliding rod 81 is connected to the middle of the bottom in the discharging barrel 2 in a sliding mode, the filter disc 82 is connected to the top of the sliding rod 81, the filter disc 82 is used for ejecting zinc alloy die castings, the first driving plate 84 is connected to the bottom of the sliding rod 81, the first sliding frame 71 moves upwards to be in contact with the first driving plate 84, the third spring 83 is connected between the left side of the top of the first driving plate 84 and the bottom of the discharging barrel 2, and the third spring 83 is sleeved on the sliding rod 81.

When the device is used, the first sliding frame 71 is manually moved upwards, the second spring 73 is compressed, the first sliding frame 71 drives the servo motor 72 to move upwards, the servo motor 72 drives the cover plate 75 and the stirring frame 76 to move upwards, so that the cover plate 75 is opened, meanwhile, when the first sliding frame 71 moves upwards to be in contact with the first driving plate 84, the first driving plate 84 is driven to move upwards, the third spring 83 is compressed, the first driving plate 84 drives the sliding rod 81 to move upwards, so that the filter disc 82 moves upwards, then, a proper amount of chemical plating solution is poured into the discharging barrel 2, a zinc alloy die casting piece is placed on the filter disc 82, then, the first sliding frame 71 drives the first sliding frame 71, the servo motor 72, the cover plate 75 and the stirring frame 76 to move downwards to reset under the reset action of the second spring 73, so that the cover plate 75 closes the discharging barrel 2, and chemical plating solution is prevented from splashing, the covering plate 75 is contacted with the fixed plate 74, the fixed plate 74 limits the covering plate 75, the first sliding frame 71 moves downwards to be separated from the first driving plate 84, the sliding rod 81 and the filter disc 82 are driven to move downwards to reset under the reset action of the third spring 83, the zinc alloy die casting is soaked in the chemical electroplating solution, then the servo motor 72 is started, the output shaft of the servo motor 72 rotates to drive the stirring frame 76 to rotate, the chemical electroplating solution is stirred by the stirring frame 76, the zinc alloy die casting achieves comprehensive electroplating, electroplating of the zinc alloy die casting is accelerated, after the electroplating is completed, the servo motor 72 is closed, the pressing rod 5 is manually pressed downwards, the first spring 6 is stretched, the pressing rod 5 drives the blocking plate 4 to move downwards, the blocking plate 4 does not block the discharge hole 21 any more, the chemical electroplating solution in the discharge barrel 2 falls on the receiving plate 3 through the discharge hole 21, then the zinc alloy die casting flows out through the material receiving plate 3, then the pressing rod 5 is loosened, the pressing rod 5 and the material blocking plate 4 are driven to move upwards to reset under the reset action of the first spring 6, then people repeat the operation to open the cover plate 75, and meanwhile the filter disc 82 ejects the zinc alloy die casting upwards, so that people can take out the zinc alloy die casting conveniently.

Example 2

On the basis of embodiment 1, referring to fig. 2, 5 and 6, the zinc alloy stirring device further comprises a rolling cleaning mechanism 9, wherein the rolling cleaning mechanism 9 comprises a second sliding frame 91, a connecting plate 92, a sponge roller 93 and a fourth spring 94, the stirring frame 76 is uniformly and slidably connected with the three second sliding frames 91, the bottoms of the second sliding frames 91 are respectively connected with the connecting plate 92, the connecting plate 92 is respectively rotatably connected with the sponge roller 93, the sponge roller 93 is used for wiping zinc alloy die castings, two fourth springs 94 are connected between the upper portion of each second sliding frame 91 and the stirring frame 76, and the fourth springs 94 are sleeved on the second sliding frames 91.

When the stirring frame 76 rotates, the second sliding frame 91, the connecting plate 92, the sponge roller 93 and the fourth spring 94 are driven to rotate, the sponge roller 93 contacts with the zinc alloy die casting, and the fourth spring 94 plays a role in buffering, so that the sponge roller 93 wipes the zinc alloy die casting, the surface of the zinc alloy die casting is cleaned, and the electroplating effect is prevented from being influenced by impurities attached to the zinc alloy die casting.

Referring to fig. 2 and 7, the labor saving mechanism 10 further comprises a labor saving mechanism 10, the labor saving mechanism 10 comprises a first set of plate 101, a second driving plate 102, a double-shaft motor 103, a roller frame 104, a connecting disc 105, a pull rope 106, a telescopic spring 107 and a button 108, the first set of plate 101 is connected to the left side of the bottom in the bottom connecting barrel 1, the second driving plate 102 is connected to the upper portion of the first set of plate 101 in a sliding manner, the second driving plate 102 is connected to the left side of the bottom connecting barrel 1 in a sliding manner, the double-shaft motor 103 is mounted on the left side of the bottom in the bottom connecting barrel 1, two buttons 108 are arranged on the top of the double-shaft motor 103, the buttons 108 are electrically connected to the double-shaft motor 103, the second driving plate 102 contacts with the buttons 108 after moving, the roller frame 104 is rotatably connected to the left and right sides of the inner upper side of the bottom connecting barrel 1, the connecting disc 105 is connected to output shafts on the front and back sides of the double-shaft motor 103, the pull rope 106 is connected to the lower portion of the first sliding frame 71, the connecting disc 105, the first sliding frame pull rope 106 is used for pulling the first sliding frame 71, the first sliding frame 71 and the roller frame 104, the second driving plate 102, two telescopic spring 107 are connected to the telescopic spring 107, and the second driving plate 102, and the telescopic spring 107 are connected to the second driving plate 101.

Referring to fig. 2 and 8, the stabilizing device 11 further includes a stabilizing mechanism 11, the stabilizing mechanism 11 includes a driving frame 1101, a supporting block 1102, a locking member 1103 and a fifth spring 1104, the supporting block 1102 is connected to the upper side of the right wall of the bottom connecting barrel 1, the locking member 1103 is slidably connected to the driving frame 1101, the left portion of the locking member 1103 is disposed in an inclined manner, the locking member 1103 is used for limiting the first sliding frame 71, the driving frame 1101 is connected to the top of the locking member 1103, the left side of the driving frame 1101 is in contact with the second driving plate 102, two fifth springs 1104 are connected between the locking member 1103 and the supporting block 1102, and the fifth springs 1104 are sleeved on the supporting block 1102.

When the second driving plate 102 is manually pulled leftwards, the expansion spring 107 is stretched, when the second driving plate 102 contacts with the left button 108, the second driving plate 102 presses the left button 108, the double-shaft motor 103 is started, output shafts on two sides of the double-shaft motor 103 rotate to drive the connecting disc 105 to rotate to retract the pull rope 106, and then the first sliding frame 71 is driven to move upwards through the pull rope 106, so that the first sliding frame 71 does not need to be manually moved upwards by people, the trouble of manual operation is reduced, the second spring 73 is compressed, the servo motor 72, the cover plate 75 and the stirring frame 76 are driven to move upwards by the first sliding frame 71, after the cover plate 75 is opened, the second driving plate 102 is released, the second driving plate 102 is driven to move rightwards to reset under the reset action of the expansion spring 107, the second driving plate 102 is separated from the left button 108, the double-shaft motor 103 is closed along with the second driving plate, and at the same time, when the first sliding frame 71 moves upwards, the first sliding frame 71 contacts with the locking piece 1103 and presses the locking piece 1103 to the right, the fifth spring 1104 is compressed, the locking piece 1103 drives the driving frame 1101 to move rightwards, after the first sliding frame 71 moves upwards to cross the locking piece 1103, the locking piece 1103 and the driving frame 1101 are driven to move leftwards and reset under the action of the reset of the fifth spring 1104, the locking piece 1103 limits the first sliding frame 71 to prevent the first sliding frame 71 from moving downwards and resetting by itself, when the covering plate 75 needs to be closed, the second driving plate 102 is manually pressed rightwards, the expansion spring 107 is compressed, the second driving plate 102 drives the driving frame 1101 to move rightwards, the locking piece 1103 is driven to move rightwards and is folded, the fifth spring 1104 is compressed, when the second driving plate 102 contacts with the button 108 on the right side, the button 108 on the right side is pressed by the second driving plate 102, the double-shaft motor 103 is started, the output shafts on the two sides of the double-shaft motor 103 reversely rotate to drive the connecting disc 105 to reversely rotate to release the pull rope 106, further the servo motor 72, the cover plate 75 and the stirring frame 76 are driven to move downwards to reset under the resetting action of the second spring 73, then the second driving plate 102 is loosened, further the second driving plate 102 is driven to move leftwards to reset under the resetting action of the telescopic spring 107, the second driving plate 102 is separated from the button 108 on the right side, the double-shaft motor 103 is closed along with the second driving plate, and meanwhile the locking piece 1103 and the driving frame 1101 are driven to move leftwards to reset under the resetting action of the fifth spring 1104.

Referring to fig. 2, 9 and 10, the apparatus further comprises an agitation cleaning mechanism 12, wherein the agitation cleaning mechanism 12 comprises a projection 1201, a second sleeve 1202, an agitation frame 1203 and sixth springs 1204, the projection 1201 is uniformly connected to the bottom of the cover 75, the second sleeve 1202 is connected to the middle of the agitation frame 76, the agitation frame 1203 is slidably connected to the second sleeve 1202, the agitation frame 1203 is used for agitating the chemical plating solution, the agitation frame 1203 rotates to contact with the projection 1201, two sixth springs 1204 are connected between the upper portion of the agitation frame 1203 and the second sleeve 1202, and the sixth springs 1204 are sleeved on the agitation frame 1203.

When the stirring frame 76 rotates, the second sleeve plate 1202, the stirring frame 1203 and the sixth spring 1204 are driven to rotate, when the stirring frame 1203 is in contact with the bump 1201, the bump 1201 downwards presses the stirring frame 1203, the sixth spring 1204 is compressed, when the stirring frame 1203 is separated from the bump 1201, the stirring frame 1203 is driven to move upwards to be reset under the action of the reset of the sixth spring 1204, and therefore the stirring frame 1203 rotates to be in contact with and separated from the bump 1201 repeatedly, the chemical plating solution is stirred by the repeated up-and-down movement of the stirring frame 1203, and the plating of the zinc alloy die castings is further accelerated.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (8)

1. A cyanide-free electroplating device for zinc alloy die castings comprises a bottom connecting barrel (1), a discharging barrel (2) and material receiving plates (3), wherein the discharging barrel (2) is connected to the middle of the top of the bottom connecting barrel (1), the front side and the rear side of the bottom of the discharging barrel (2) are respectively provided with a discharging port (21), the front side and the rear side of the upper part of the bottom connecting barrel (1) are respectively connected with the material receiving plates (3), the cyanide-free electroplating device is characterized by further comprising material blocking plates (4), pressing rods (5), a first spring (6), an accelerating mechanism (7) and a material pushing mechanism (8), the pressing rods (5) are connected to the left side of the top of the bottom connecting barrel (1) in a sliding manner, the material blocking plates (4) used for blocking the two discharging ports (21) are connected to the bottom of the pressing rods (5),

according to be connected with first spring (6) between the bottom left side in depression bar (5) lower part and the bottom connection bucket (1), first spring (6) cover is equipped with acceleration mechanism (7) that are used for stirring chemical plating liquid on pressing depression bar (5) between bottom connection bucket (1) and blowing bucket (2), and blowing bucket (2) bottom is connected with pushing equipment (8) that are used for zinc alloy die casting automatic discharging.

2. The cyanide-free electroplating device for the zinc alloy die castings according to claim 1, wherein the accelerating mechanism (7) comprises a first sliding frame (71), a servo motor (72), a second spring (73), a fixed plate (74), a cover plate (75) and a stirring frame (76), the first sliding frame (71) is slidably connected to the right side of the top of the bottom connecting barrel (1), the servo motor (72) is mounted on the upper portion of the first sliding frame (71), two second springs (73) are connected between the lower portion of the first sliding frame (71) and the right side of the bottom in the bottom connecting barrel (1), four fixed plates (74) are uniformly connected to the upper portion of the discharging barrel (2), the cover plate (75) used for closing the discharging barrel (2) is rotatably connected to the upper portion of an output shaft of the servo motor (72), the cover plate (75) is clamped with the four fixed plates (74), and the stirring frame (76) used for stirring chemical electroplating solution is connected to the lower portion of the output shaft of the servo motor (72).

3. The cyanide-free electroplating device for the zinc alloy die castings according to claim 2, wherein the pushing mechanism (8) comprises a sliding rod (81), a filter disc (82), a third spring (83) and a first driving plate (84), the sliding rod (81) is slidably connected to the middle of the inner bottom of the discharging barrel (2), the filter disc (82) for ejecting the zinc alloy die castings is connected to the top of the sliding rod (81), the first driving plate (84) is connected to the bottom of the sliding rod (81), the first sliding frame (71) moves upwards to be in contact with the first driving plate (84), the third spring (83) is connected between the left side of the top of the first driving plate (84) and the bottom of the discharging barrel (2), and the third spring (83) is sleeved on the sliding rod (81).

4. The cyanide-free electroplating device for the zinc alloy die castings according to claim 3, characterized by further comprising a rolling cleaning mechanism (9) for wiping the zinc alloy die castings, wherein the rolling cleaning mechanism (9) comprises a second sliding frame (91), a connecting plate (92), a sponge roller (93) and a fourth spring (94), three second sliding frames (91) are uniformly and slidably connected to the stirring frame (76), the connecting plate (92) is connected to the bottoms of the second sliding frames (91), the sponge roller (93) for wiping the zinc alloy die castings is rotatably connected to the connecting plate (92), two fourth springs (94) are connected between the upper portions of the second sliding frames (91) and the stirring frame (76), and the fourth springs (94) are sleeved on the second sliding frames (91).

5. The cyanide-free electroplating device for the zinc alloy die casting as claimed in claim 4, characterized in that the device further comprises a labor-saving mechanism (10) for automatically lifting the first sliding frame (71), the labor-saving mechanism (10) comprises a first sleeve plate (101), a second driving plate (102), a double-shaft motor (103), a roller frame (104), a connecting disc (105), a pull rope (106), a telescopic spring (107) and a button (108), the left side of the bottom in the bottom connecting barrel (1) is connected with the first sleeve plate (101), the upper part of the first sleeve plate (101) is connected with the second driving plate (102) in a sliding manner, the second driving plate (102) is connected with the left side of the bottom connecting barrel (1) in a sliding manner, the double-shaft motor (103) is installed on the left side of the bottom in the bottom connecting barrel (1), the two buttons (108) are arranged on the top of the double-shaft motor (103), the button (108) is electrically connected with the double-shaft motor (103), the button (102) is connected with the button (108) after moving, the second driving plate (102) is connected with the button, the left and right sides of the upper side of the bottom in the bottom connecting barrel (1) are connected with the roller frame (104), the left side and right side of the inner side of the double-shaft motor (103), the double-shaft motor (105) is connected with the connecting disc (105), the first sliding manner, the first sliding mechanism (71), the first sliding mechanism (105), the pull rope (106) bypasses the roller frame (104), two expansion springs (107) are connected between the second driving plate (102) and the upper part of the first sleeve plate (101), and the expansion springs (107) are sleeved on the second driving plate (102).

6. The cyanide-free electroplating device for the zinc alloy die castings according to claim 5, characterized by further comprising a stabilizing mechanism (11) for stabilizing the first sliding frame (71), wherein the stabilizing mechanism (11) comprises a driving frame (1101), a supporting block (1102), a locking member (1103) and a fifth spring (1104), the supporting block (1102) is connected to the upper side of the inner right wall of the bottom connecting barrel (1), the locking member (1103) for limiting the first sliding frame (71) is slidably connected to the driving frame (1101), the driving frame (1101) is connected to the top of the locking member (1103), the left side of the driving frame (1101) is in contact with the second driving plate (102), the two fifth springs (1104) are connected between the locking member (1103) and the supporting block (1102), and the fifth spring (1104) is sleeved on the supporting block (1102).

7. The cyanide-free electroplating apparatus for zinc alloy die castings according to claim 6, wherein the left portion of the locking member (1103) is disposed obliquely.

8. The cyanide-free electroplating device for the zinc alloy die castings according to claim 7, further comprising a stirring and cleaning mechanism (12) for stirring chemical electroplating solution, wherein the stirring and cleaning mechanism (12) comprises a bump (1201), a second sleeve plate (1202), a stirring frame (1203) and sixth springs (1204), the bump (1201) is uniformly connected to the bottom of the cover plate (75), the second sleeve plate (1202) is connected to the middle of the stirring frame (76), the stirring frame (1203) for stirring the chemical electroplating solution is slidably connected to the second sleeve plate (1202), the stirring frame (1203) rotates to contact with the bump (1201), the two sixth springs (1204) are connected between the upper portion of the stirring frame (1203) and the second sleeve plate (1202), and the sixth springs (1204) are sleeved on the stirring frame (1203).

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